PRIHATIN NINGSIH SAGALA; ERI WIDYASTUTI. Development Of Junior High School Mathematics E-Book And Student Project Sheet Based On Integrated Merdeka Belajar Project Based Learning. International Journal of Educational Research & Social Sciences , [S. l.], v. 2, n. 6, p. 1490–1500, 2021. DOI: 10.51601/ijersc.v2i6.60. Disponível em: https://ijersc.org/index.php/go/article/view/60. Acesso em: 19 nov. 2024.